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RT XFEL structure of Photosystem II 50 microseconds after the second illumination at 2.27 Angstrom resolution
Serial Crystallography (SX)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6DHE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 BATCH MODE 298 0.1 M MES pH 6.5, 0.1 M NH4Cl, 35% (w/v) PEG 5000
Crystal Properties Matthews coefficient Solvent content 3.18 61.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 117.068 α = 90 b = 222.051 β = 90 c = 308.363 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 CCD RAYONIX MX340-HS 2018-11-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 FREE ELECTRON LASER SLAC LCLS BEAMLINE MFX 1.30196 SLAC LCLS MFX
Serial Crystallography Sample delivery method Diffraction ID Description Sample Delivery Method 1 injection
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.27 33.45 99.61 0.967 11.8 55.8 367301 41.33
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.27 2.31 0.047
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 6DHE 2.27 33.45 1.33 366763 3265 99.51 0.1784 0.1777 0.1789 0.2495 0.2495 48.1
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 22.2178 f_angle_d 1.6231 f_chiral_restr 0.0635 f_bond_d 0.0162 f_plane_restr 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 47681 Nucleic Acid Atoms Solvent Atoms 1384 Heterogen Atoms 2511
Software Software Software Name Purpose PHENIX refinement cctbx.xfel data reduction PHASER phasing